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Finding the Fourth Proportional to 225,207.01, 310,784.04 and 123,230.53

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Solution

The fourth proportional to 225,207.01, 310,784.04 and 123,230.53 is: 170,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,207.01 : 310,784.04 = 123,230.53 : x
  2. Step 2: Convert to fraction form
    225,207.01/310,784.04 = 123,230.53/x
  3. Step 3: Cross multiply
    225,207.01x = 310,784.04 × 123,230.53
  4. Step 4: Simplify right side
    225,207.01x = 38,298,081,964.74
  5. Step 5: Solve for x
    x = 38,298,081,964.74/225,207.01
  6. Step 6: Final answer
    x = 170,057.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.